389876956

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 856719360

約数和(自身を除く): 466842404

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 59, 62, 92, 118, 124, 161, 217, 236, 322, 331, 413, 434, 644, 662, 713, 826, 868, 1324, 1357, 1426, 1652, 1829, 2317, 2714, 2852, 3658, 4634, 4991, 5428, 7316, 7613, 9268, 9499, 9982, 10261, 12803, 15226, 18998, 19529, 19964, 20522, 25606, 30452, 37996, 39058, 41044, 42067, 51212, 53291, 71827, 78116, 84134, 106582, 136703, 143654, 168268, 213164, 236003, 273406, 287308, 294469, 449167, 472006, 546812, 588938, 605399, 898334, 944012, 1177876, 1210798, 1652021, 1796668, 2421596, 3144169, 3304042, 4237793, 6288338, 6608084, 8475586, 12576676, 13924177, 16951172, 27848354, 55696708, 97469239, 194938478, 389876956]

約数ペア:

[(1, 389876956), (2, 194938478), (4, 97469239), (7, 55696708), (14, 27848354), (23, 16951172), (28, 13924177), (31, 12576676), (46, 8475586), (59, 6608084), (62, 6288338), (92, 4237793), (118, 3304042), (124, 3144169), (161, 2421596), (217, 1796668), (236, 1652021), (322, 1210798), (331, 1177876), (413, 944012), (434, 898334), (644, 605399), (662, 588938), (713, 546812), (826, 472006), (868, 449167), (1324, 294469), (1357, 287308), (1426, 273406), (1652, 236003), (1829, 213164), (2317, 168268), (2714, 143654), (2852, 136703), (3658, 106582), (4634, 84134), (4991, 78116), (5428, 71827), (7316, 53291), (7613, 51212), (9268, 42067), (9499, 41044), (9982, 39058), (10261, 37996), (12803, 30452), (15226, 25606), (18998, 20522), (19529, 19964)]